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HBD-E385/E390/T39
5-11. SCHEMATIC DIAGRAM - MB148 Board (4/9) -
1
2
3
A
MB148 BOARD (4/9)
B
JL6402
VIDEO OUT
J6401
C6413
1P
47p
C6412
0.001
JL6403
JL6404
C
3.3V
MB148
BOARD
7
(2/9)
D
(Page 38)
GND
DCDC5V
CN1001
E
6P
JL1001
3.3V
1
JL1002
GND
2
JL1003
RXD
3
(NC)
JL1004
TXD
4
JL1005
JIG_MODE1
5
JL1006
JIG_MODE0
6
F
G
H
6
5.2
5
0.4
R5608
4
C5606
47k
3.3
10
R5609
0
I
A
CN602
5P
PANEL
GND
1
JL605
DP
2
BOARD
J
JL606
DM
3
CN03
JL607
VBUS
4
JL608
(Page 52)
GND
5
GND
1
JL609
DP
2
WLC1
JL610
WIRELESS
DM
3
JL611
LAN CARD
VBUS
4
K
JL612
C633
GND
5
10
CN603
5P
HBD-E385/E390/T39
• See page 55 for IC Block Diagrams.
4
5
6
7
R6416
L6402
0
1.8uH
JL6401
R6420
75
C6410
R6403
47p
0
C6403
C6402
10
0.1
R6421
0
C6401
0.1
RB1001
10k
R1018
100
R1019
100
IC5601
NCP380HSNAJAAT1G
IC5601
FRONT USB VBUS
6
Vout
Vin
5.2
5
ILIM
GND
0.4
R5603
R5605
C5603
4
22k
FAULT
EN
10
10k
5.2
R5604
0
IC5602
NCP380HSNAJAAT1G
IC5602
USB WLAN VBUS
5.2
Vout
Vin
1
C5605
10
ILIM
GND
2
R5606
10k
3.3
FAULT
EN
3
C5604
R5611
1
10k
IC101 (7/12)
CXD90008G-AA
IC101
BD DECODER (USB)
W2
USB_DM_P0
W1
USB_DP_P0
DM0
Y2
USB_DM_P1
DP0
Y1
USB_DP_P1
C632
10
V2
USB_DM_P2
DP1
V1
USB_DP_P2
DM1
• See page 61 for IC Pin Function Descriptions.
8
9
10
IC101 (5/12)
CXD90008G-AA
IC101
BD DECODER (VIDEO)
B18
VDACX_OUT
C18
VDACG_OUT
A18
VDACB_OUT
C17
VDACR_OUT
D16
AVDD33_VDAC_R
F14
AVSS33_VDAC_R
E16
AVDD33_VDAC
G14
AVSS33_VDAC
D12
AVDD33_DAC
E11
AVSS33_DAC
R1033
10k
U5
NC
AMUTE
JL1013
KRMOD
5.2
KRMOD
B23
1
VSTB
C5602
IF_SDO
A23
IF_SDO
10
VDATA
2
IF_SCK
A22
IF_SCK
VCLK
3.3
IF_SDI
JL1012
D22
3
IF_SDI
C5601
LCDRD
0.1
R5601
1k
START_BIT
START_BIT
JL1029
D20
GPIO0
OCPI
R1036
0
JL1007
E18
GPIO1
MIC_DET
JL1008
C22
MIC_DET
GPIO2
DIR_XRST
JL1030
AA5
XVMUTE
GPIO3
R1020
100
JL1009
AA4
JIGMODE0
GPIO4
R5613
R1021
100
JL1010
AB1
JIGMODE1
100k
GPIO5
UPG_STATUS
AB2
JL1028
UPG_STATUS
GPIO6
JL1011
Y6
USB_PCONT
GPIO7
R1022
WIFI_PCONT
0
AVDD33_USB
AA3
C603
10
W4
AVSS33_USB
R609
5.1k
USB_VRT
U3
Note 1: IC101 on the MB148 board cannot exchange with
single. When this part is damaged, exchange the
complete mounted board.
40
40
11
12
13
14
3.3 3.3
15
14
13
12
11
IC B/D
10
16
NC
NC
IC6401
17
NC
NC
9
MFI341S2162
18
NC
NC
8
IC6401
19
NC
NC
7
EEPROM
20
NC
NC
6
R6406
4.7k
1
2
3
4
5
R6407
3.3
3.3 3.3
4.7k
R6411
C6405
0.1
0
CPU_XRST
AA1
JL1019
MFI_SCL
SCL
AA2
JL1020
MFI_SDA
SDA
E20
JL1016
UATXD
RB1002
UATXD
F19
JL1017
10k
UARXD
UARXD
IC101 (6/12)
CXD90008G-AA
IC101
BD DECODER
(UART/GPIO)
WIFI_PCONT
JL1018
CPU_XRST
SYSCON_RST
A21
R1023
0
RESET_
R1028
10k
W7
GND
EFPWRQ
B22
IR - NC
IR
R1038
10k
B21
R1037
0
OPWRSB
OPWRSB
OPWRSB
JL1015
KRMOD
IF_SDO
IF_SCK
START_BIT
MIC_DET
UPG_STATUS
OPWRSB
JL1027
IF_SDI
CPU_XRST
DIR_XRST
Note 2: When replacing the wireless LAN card (WLC1), refer to
"CHECKING METHOD OF NETWORK OPERATION"
(page 10).
15
16
17
CPU_TMS
CPU_TDO
CPU_TDI
MB148 BOARD
WIFI_PCONT
14
(6/9)
(Page 42)
CPU_TCK
MB148 BOARD (9/9)
15
SIRCS
(Page 45)
KRMOD
IF_SDO
MB148 BOARD
IF_SCK
16
START_BIT
(9/9)
MIC_DET
(Page 45)
UPG_STATUS
OPWRSB
JIG_MODE1
MB148 BOARD
12
IF_SDI
(3/9), (9/9)
(Page 39),
(Page 45)
MB148 BOARD
13
(9/9)
CPU_XRST
(Page 45)
MB148 BOARD
17
(6/9)
DIR_XRST
(Page 42)
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